________students took the high school entrance exam on time ________ the morning of June 16th in Yancheng , though it rained heavily .
A.Thousands of ; in | B.Many thousands ; on | C.Thousands of ; on | D.Thousand of ; on |
________students took the high school entrance exam on time ________ the morning of June 16th in Yancheng , though it rained heavily .
A.Thousands of ; in | B.Many thousands ; on | C.Thousands of ; on | D.Thousand of ; on |